Lead author Professor Archana Singh-Manoux, from University College London, lifted the lid on how the "exciting" technologies work.

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EXPOSED: It works more accurately than any other detector has before

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“Omics technologies are exciting”

Professor Archana Singh-Manoux

He described how the marker interleukin-6 – known as IL6 – is a "strong predictor of death" in middle-aged adults' blood.

The professor said: "Omics technologies are exciting, as they allow the concurrent assessment of many biomarkers, some of which may turn out to be important to detect preclinical states of diseases or be markers of future disease."

The IL-6 is more accurate in predicting death than Î±1-acid glycoprotein (AGP), the Canadian Medical Association Journal study found.

And it can detect both short and long term problems, the study found.

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SIGN: The marker will detect whether you have cancer or chronic heart disease

He added: "We looked at markers of inflammation such as interleukin-6 (IL-6), C-reactive protein (CRP) and Î±1-acid glycoprotein (AGP).

"The latter was found in a recent metabolomics study to be a strong predictor of death within five years.

"Our findings show IL-6, which is already known to be important to heart disease, to do better than AGP.

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BLOOD: It can detect both short and long term problems, the study foundRelated videos